205440274

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{1439}}^1$

素因数の和:1507

約数の個数: 48

約数和(自身を含む): 371347200

約数和(自身を除く): 165906926

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 289, 323, 442, 494, 578, 646, 1439, 2878, 3757, 4199, 5491, 7514, 8398, 10982, 18707, 24463, 27341, 37414, 48926, 54682, 71383, 142766, 318019, 355433, 415871, 464797, 636038, 710866, 831742, 929594, 5406323, 6042361, 7901549, 10812646, 12084722, 15803098, 102720137, 205440274]

約数ペア:

[(1, 205440274), (2, 102720137), (13, 15803098), (17, 12084722), (19, 10812646), (26, 7901549), (34, 6042361), (38, 5406323), (221, 929594), (247, 831742), (289, 710866), (323, 636038), (442, 464797), (494, 415871), (578, 355433), (646, 318019), (1439, 142766), (2878, 71383), (3757, 54682), (4199, 48926), (5491, 37414), (7514, 27341), (8398, 24463), (10982, 18707)]